/Engine/Plugins/Runtime/SmartObjects/Source/SmartObjectsModule/Public/SmartObjectSubsystem.h
Start using a claimed smart object slot.
The requested behavior definition class pointer associated to the slot
template<typename DefinitionType> const DefinitionType * Use ( const [FSmartObjectClaimHandle](API\Plugins\SmartObjectsModule\FSmartObjectClaimHandle) & ClaimHandle )